LEAD AMR Decoder

The LEAD AMR Decoder is a DirectShow filter for decompressing audio data. For more information on the AMR speech compression algorithm, refer to LEAD AMR Encoder.

Technical details for the filter are provided in the following table:

Filter Interfaces

N/A

Interface ID

N/A

Input Media Types

Type:
MEDIATYPE_Audio

Subtypes:
MEDIASUBTYPE_LAVIAMR (LEAD proprietary, only LEAD AMR Decoder can handle this type)
MEDIASUBTYPE_SAMR
MEDIASUBTYPE_LISOSAMR
MEDIASUBTYPE_AMRCBR (format tag = 0x7A21)
MEDIASUBTYPE_AMRVBR (format tag = 0x7A22)
MEDIASUBTYPE_AMRExtra1

Output Media Types

Type:
MEDIATYPE_Audio
Subtype:
MEDIASUBTYPE_PCM

Filter CLSID

CLSID_LMAMRDecoder

Property Page CLSID

N/A

Executable

LDecAMR.dll, DSKernel2.dll

Filter category

CLSID_LegacyAmFilterCategory

Header

N/A

Note: Media types and CLSIDs are defined in the LGUIDs.h header file.

Platforms

Win32, x64

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